开发一种通过分布式温度传感数据验证的短暂井口热传递模型
Rion Nakamoto1, Smith Leggett1
1Bob L. Herd Department of Petroleum Engineering, Texas Tech University, 807 Boston Ave, Lubbock, TX 79409, USA.
Sensors (Basel, Switzerland)
|November 13, 2025
概括
分布式温度传感 (DTS) 提供了宝贵的地热井数据. 通过DTS验证的新型过渡井模型准确地预测了用于改进地热运行的热速度.
科学领域:
- 地热能源工程 地热能源工程
- 储水池的表征 储水池的表征
- 井口热量转移 井口热量转移
背景情况:
- 分布式温度传感 (DTS) 对于地热能源开发至关重要,它提供了洞察井口温度和流量.
- 现有的钻井模型经常使用稳定状态假设,无法捕捉短暂的动态,或者是计算密集的.
研究的目的:
- 开发和验证地热应用的过渡井热传递模型.
- 提高DTS数据的解释,以改善运营监控和管理.
主要方法:
- 使用热类比方法制定了一个短暂的井口热传递模型.
- 使用有限差异方案实现了模型.
- 通过将预测的热斜率速度与DTS测量进行比较来验证模型.
主要成果:
- 该模型与DTS数据有很强的一致性,证实了其可靠性.
- 模拟的热斜率速度低于流体速度,表明热前线传播速度较慢.
- 计算效率高的模型增强了DTS数据的解释.
结论:
- 开发的过渡井热传递模型是分析地热运行的可靠工具.
- 这种方法改善了对钻井井中短暂热力学的理解.
- 该模型有助于更好地监测和管理地热能资源.
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